One Kanji Clock vs Klapklok
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Kanji Clock
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This clock displays kanji characters for your enjoyment. Kanji characters are displayed one at a time in random, and change over as time passes. The size of the characters can be changed in three levels. The length of the switching time can be adjusted. Hiragana and English can also be displayed. There are more than 700 kanji in the database. The number is small at first, but it will gradually increase. You can also choose your favorite kanji to display. You can choose from 20 different backgrounds. A time signal can be set to sound at 0 minutes. You can choose from 78 different sounds for the time signal.
Klapklok
Interface with a smart device via Bluetooth to set its time and cycle through various demo modes. Users can also draw custom images directly on the device's display and save them for later recall.
- Bluetooth interface
- Set device time
- Cycle through demo modes
- Draw on display
- Save and recall images
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The app to interface with the Klapklok by Miniot over bluetooth. Allows the user to set the time, cycle through demo modes, draw directly on the Klapklok's display and save images to be recalled later.
Screenshots
Verdict
The clearest difference is in-app purchases: Klapklok at none against One Kanji Clock's 1. Klapklok also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. One Kanji Clock sells 1 one-off in-app purchase. Klapklok asks for nothing beyond the download.
One Kanji Clock ships an update every 2 months, Klapklok monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | One Kanji Clock | Klapklok |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 18 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Mihoko Araki | Miniot B.V. |
In-app purchases
One Kanji Clock
- One Kanji Clock with no ads$2.99
Klapklok
No in-app purchases
